Home / 923,917.94-1,385,880.32-284,217.24

Finding the Fourth Proportional to 923,917.94, 1,385,880.32 and 284,217.24

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Solution

The fourth proportional to 923,917.94, 1,385,880.32 and 284,217.24 is: 426,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,917.94 : 1,385,880.32 = 284,217.24 : x
  2. Step 2: Convert to fraction form
    923,917.94/1,385,880.32 = 284,217.24/x
  3. Step 3: Cross multiply
    923,917.94x = 1,385,880.32 × 284,217.24
  4. Step 4: Simplify right side
    923,917.94x = 393,891,083,829.59
  5. Step 5: Solve for x
    x = 393,891,083,829.59/923,917.94
  6. Step 6: Final answer
    x = 426,326.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.